Uld
abbr. 超声探漏器（Ultrasonic Leak Detector）；超低剂量（ultra-low-dose）
🗣️ 情景例句
Keep your eyes on the road.
专心开车。
God defend me from my friends; form my enemy I can defend myself.
防友靠天，防敌靠己。
Our next obstacle was a shallow pool of water about half a mile across.
下一个障碍是一片约半英里宽的浅水塘。